zip_save() misspelling?

[neosoyo]

it should be zip_safe?

` Failed building wheel for xfoil Running setup.py clean for xfoil Failed to build xfoil Installing collected packages: xfoil Running setup.py install for xfoil ... error Complete output from command /usr/bin/python3 -u -c "import setuptools, tokenize;file='/tmp/pip-install-tvsij9n5/xfoil/setup.py';f=getattr(tokenize, 'open', open)(file);code=f.read().replace('\r\n', '\n');f.close();exec(compile(code, file, 'exec'))" install --record /tmp/pip-record-wdq7um9l/install-record.txt --single-version-externally-managed --compile --user --prefix=: /usr/lib/python3.7/distutils/dist.py:274: UserWarning: Unknown distribution option: 'zip_save' warnings.warn(msg) running install running build running build_py creating build creating build/lib.linux-x86_64-3.7 creating build/lib.linux-x86_64-3.7/xfoil copying xfoil/xfoil.py -> build/lib.linux-x86_64-3.7/xfoil copying xfoil/test.py -> build/lib.linux-x86_64-3.7/xfoil copying xfoil/model.py -> build/lib.linux-x86_64-3.7/xfoil copying xfoil/init.py -> build/lib.linux-x86_64-3.7/xfoil running build_ext Traceback (most recent call last): File "", line 1, in File "/tmp/pip-install-tvsij9n5/xfoil/setup.py", line 149, in zip_save=False File "/usr/local/lib/python3.7/dist-packages/setuptools/init.py", line 144, in setup return distutils.core.setup(**attrs) File "/usr/lib/python3.7/distutils/core.py", line 148, in setup dist.run_commands() File "/usr/lib/python3.7/distutils/dist.py", line 966, in run_commands self.run_command(cmd) File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/usr/local/lib/python3.7/dist-packages/setuptools/command/install.py", line 61, in run return orig.install.run(self) File "/usr/lib/python3.7/distutils/command/install.py", line 589, in run self.run_command('build') File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/usr/lib/python3.7/distutils/command/build.py", line 135, in run self.run_command(cmd_name) File "/usr/lib/python3.7/distutils/cmd.py", line 313, in run_command self.distribution.run_command(command) File "/usr/lib/python3.7/distutils/dist.py", line 985, in run_command cmd_obj.run() File "/usr/local/lib/python3.7/dist-packages/setuptools/command/build_ext.py", line 87, in run _build_ext.run(self) File "/home/sbo/.local/lib/python3.7/site-packages/Cython/Distutils/old_build_ext.py", line 186, in run _build_ext.build_ext.run(self) File "/usr/lib/python3.7/distutils/command/build_ext.py", line 309, in run force=self.force) File "/usr/lib/python3.7/distutils/ccompiler.py", line 1031, in new_compiler return klass(None, dry_run, force) File "/usr/lib/python3.7/distutils/cygwinccompiler.py", line 293, in init if self.gcc_version <= "2.91.57": TypeError: '<=' not supported between instances of 'NoneType' and 'str'

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[daniel-de-vries]

Fixed in #18